update testTimestampParsing

Author: Peiyingy

gateway-ha/src/test/java/io/trino/gateway/ha/router/BaseTestQueryHistoryManager.java

@@ -24,6 +24,7 @@
 import org.junit.jupiter.api.TestInstance.Lifecycle;
 import org.testcontainers.containers.JdbcDatabaseContainer;
 
+import java.math.BigDecimal;
 import java.util.List;
 import java.util.Optional;
 
@@ -117,16 +118,17 @@ void testFindDistribution()
     @Test
     void testTimestampParsing()
     {
-        long result = 30338640;
+        // This ensures odd-minute values remain precision when converted from different formats.
+        long result = 30338641;
 
-        // postgres: minute -> {Double@9333} 3.033864E7
-        String postgresTimestamp = "3.033864E7";
-        long parsedLongTimestamp = (long) Float.parseFloat(postgresTimestamp);
+        // postgres: minute -> {Double@9333} 3.0338641E7
+        String postgresTimestamp = "3.0338641E7";
+        long parsedLongTimestamp = new BigDecimal(postgresTimestamp).longValue();
         assertThat(parsedLongTimestamp).isEqualTo(result);
 
-        // mysql: minute -> {BigDecimal@9775} "30338640"
-        String mysqlTimestamp = "30338640";
-        long parsedLongTimestamp2 = (long) Float.parseFloat(mysqlTimestamp);
+        // mysql: minute -> {BigDecimal@9775} "30338641"
+        String mysqlTimestamp = "30338641";
+        long parsedLongTimestamp2 = new BigDecimal(mysqlTimestamp).longValue();
         assertThat(parsedLongTimestamp2).isEqualTo(result);
     }
 }